China Valves Technology Inc., a metal valve manufacturer with operations in China, has announced that its subsidiary, Zhengzhou Zhengdie Valve Co. Ltd has received purchase orders in July 2009 for two-way metal sealing butterfly valves from Kunshan Water Group Inc. and Guangzhou Water Supply Co., valued at USD 1.2 million and USD 3.1 million, respectively. Two-way metal sealing butterfly valves are primarily used to control municipal water and sewage flow.